<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
  <form method="post" action="/login">
    账号<input type="text" name="username"> <br>
    密码<input type="password" name="password"> <br>
    <input type="submit" name="登录"> <br>
  </form>
</body>
</html>